It's means, "Best friends forever".
This sentence is not worded correctly to make any real sense..
meilleurs amis pour toujours
"Meilleurs amis" (for girls : "meilleures amies").
meilleurs amis
It means 'me and my best friends' because 'moi' = 'me', 'et' = 'and', 'mes' = 'my', 'meilleurs' = best and 'amis' = 'friend'. You might see/hear it in a sentence as, "Moi et mes meilleurs amis attender la même école". This means 'me and my best friends go to the same school'
"vos deux meilleurs amis d'enfance" means 'your two best childhood friends' in French.
I have the best friends
"Nous sommes les meilleurs amis."
Les meilleurs amis du monde - 2010 is rated/received certificates of: France:U Switzerland:10 (canton of Geneva) Switzerland:10 (canton of Vaud)
j'aime bien mes meilleurs amis
Avec mes meilleurs amis / meilleures amies.
Roughly, "meilleurs amis" sounds like "my-ee-ur ah-mee," but "meilleurs" is a very difficult word for an English mouth to pronounce, so attempt to keep your tongue pressed against the bottom of your mouth when you speak it, and push your jaw slightly forward when you pronounce the "ur" sound.